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Q. No.Which one of the following is the correct statement?
1.
Pteridophyte gametophyte has a protonemal and leafy stage
2.
In gymnosperms, female gametophyte is free-living
3.
Antheridiophores and protonema are present in pteridophytes
4.
Origin of seed habit can be traced in pteridophytes
Subtopic: Miscellaneous |
74%
Level 2: 60%+
AIPMT - 2012
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Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be:
| 1. | larger but to have smaller sex organs |
| 2. | larger and to have large sex organs |
| 3. | smaller and to have smaller sex organs |
| 4. | smaller but to have larger sex organs |
Subtopic: Pteridophytes: Heterospory |
Level 4: Below 35%
AIPMT - 2011
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The gametophyte is not an independent, free-living generation in:
1. Adiantum
2. Marchantia
3. Pinus
4. Polytrichum
1. Adiantum
2. Marchantia
3. Pinus
4. Polytrichum
Subtopic: Gymnosperms: I | Gymnosperms |
81%
Level 1: 80%+
AIPMT - 2011
Hints
Mannitol is a sugar alcohol. It is as stored food in:
1. Fucus
2. Gracillaria
3. Chara
4. Porphyra
Subtopic: Pheophyceae: Brown Algae |
86%
Level 1: 80%+
AIPMT - 2011
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Links
Subtopic: Bryophytes (Liverworts) |
82%
Level 1: 80%+
AIPMT - 2011
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Links
A prokaryotic autotrophic nitrogen-fixing symbiont is found in:
| 1. | Cycas | 2. | Cicer |
| 3. | Pisum | 4. | Alnus |
Subtopic: Gymnosperms: I | Gymnosperms |
88%
Level 1: 80%+
AIPMT - 2011
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Subtopic: Pheophyceae: Brown Algae |
89%
Level 1: 80%+
AIPMT - 2009
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Links
Phylogenetic system of classification is based on:
1. evolutionary relationships
2. morphological features
3. chemical constituents
4. floral characters
Subtopic: Classification System: I | Classification System: II | Classification System |
95%
Level 1: 80%+
AIPMT - 2009
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Which one of the following is a vascular cryptogam?
| 1. | Equisetum | 2. | Ginkgo |
| 3. | Marchantia | 4. | Cedrus |
Subtopic: Classification of Pteridophytes: I | Classification of Pteridophytes: II | Pteridophytes | Classification of Pteridophytes |
63%
Level 2: 60%+
AIPMT - 2009
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Which one of the following is considered important in the development of seed habit?
| 1. | Dependent sporophyte | 2. | Heterospory |
| 3. | Halplontic life cycle | 4. | Free-living gametophyte |
Subtopic: Pteridophytes: Heterospory |
72%
Level 2: 60%+
AIPMT - 2009
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